Senator CAMERON (New South Wales) (14:05): Yes, thanks, Mr President. I refer to Moody's Investors Service, which says in relation to the US tax cuts, 'We do not expect corporate tax cuts to lead to a meaningful boost in business investment, which has remained tepid despite a supportive economic environment.' What guarantee can the minister provide senators that the Turnbull government's $65 billion handout to big business will lead to a meaningful boost in business investment?